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MArishka [77]
4 years ago
11

plzzzzzzzzzzzzzzzzzzzzzz now help me plzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzAaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa

aaAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA

Mathematics
1 answer:
Triss [41]4 years ago
4 0

Ratio:

Hamburgers to hotdogs

= 250 : 180

= 25 : 18

The other ratio is

Hotdogs to hamburgers

= 18 : 25

Thus the answer is (a)

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vredina [299]
The answer would be 4.49%
4 0
3 years ago
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In a normal distribution, 51 is the score that is two standard deviations above the mean, and 36 is the score one standard devia
Studentka2010 [4]

Answer:

The mean is 41

Step-by-step explanation:

Here , we are interested in finding the mean.

Firstly, let the standard deviation be x and the mean be y.

We are told that 51 is 2 standard deviations above the mean. What this mean is that if we subtract 2 standard deviations from 51, we will arrive at the mean.

Mathematically;

51 - 2(x) = y

y + 2x = 51 •••••••••(i)

We are also told that 36 is one standard deviation below the mean. What this mean is that if we subtract one standard deviation from the mean, we will have 36

Mathematically, that would be;

y-36 = x •••••••(ii)

Substitute ii into i directly;

We have

y + 2(y-36) = 51

y + 2y -72 = 51

3y -72 = 51

3y = 51 + 72

3y = 123

y = 123/3

y = 41

7 0
4 years ago
Please help! If i don’t get this grade up i’m getting grounded.. i’m begging you
forsale [732]

Answer:

19 my person of unidentified gender (random text to make this longer)

if you have to get the answer for 4 multiplied by a number to make it 76 you know you could get the same number by dividing 76 / 4

6 0
3 years ago
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Twelve is added to twice a certain number​
Flura [38]

Answer:

The answer is 9

Step-by-step explanation:

When 12 is added to twice a certain number and the result is doubled, the final answer gives 60

7 0
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A randomized study compared the effectiveness of two mosquito repellents. The treatment group using Spray A reported a mean of 3
BlackZzzverrR [31]

Answer:

The difference of the means is not significant because the re-randomizations show that it is within the range of what could happen by chance.​

Step-by-step explanation:

Given that:

The treatment group using Spray A reported a mean of 3.5 mosquito bites.

The treatment group using Spray B reported a mean of 5.6 mosquito bites.

After the data are  re-randomized; the differences of the means are shown in the dot plot. The dot plot is attached in the file below;

The best conclusion that can be make based on the data from the dot plot is :

The difference of the means is not significant because the re-randomizations show that it is within the range of what could happen by chance.​

5 0
3 years ago
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